(19)
(11) EP 3 117 077 A1

(12)

(43) Date of publication:
18.01.2017 Bulletin 2017/03

(21) Application number: 15709844.3

(22) Date of filing: 12.03.2015
(51) International Patent Classification (IPC): 
E21C 35/12(2006.01)
(86) International application number:
PCT/EP2015/000548
(87) International publication number:
WO 2015/135654 (17.09.2015 Gazette 2015/37)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA

(30) Priority: 14.03.2014 DE 202014002383 U
14.03.2014 US 201414212642

(71) Applicant: Caterpillar Global Mining Europe GmbH
44534 Lünen (DE)

(72) Inventors:
  • SIEPENKORT, Gerhard
    44534 Lünen (DE)
  • HESSE, Norbert
    45731 Waltrop (DE)
  • DUHNKE, Klaus
    59368 Werne (DE)
  • TILLESSEN, Uwe
    59174 Kamen (DE)

(74) Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB 
European Patent Attorneys Landsberger Strasse 300
80687 München
80687 München (DE)

   


(54) GUIDE PIECE FOR AN EXTRACTION OR COAL PLOUGH